-1/2x < -12
Divide both sides by -1/2
Also because you are dividing by a negative number you need to reverse the inequality sign.
X > 24
X = 90-22
x = 68
..............
Answer:
2 · x² - 20
Step-by-step explanation:
2x - 5 · x + 4
2x · x - 20
2x² - 20
2 · x² - 20